+
データを開く
-
基本情報
登録情報 | データベース: EMDB / ID: EMD-20328 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
タイトル | Cryo-EM structure of alpha-synuclein H50Q Narrow Fibril | ||||||||||||
![]() | |||||||||||||
![]() |
| ||||||||||||
![]() | Alpha-synuclein / amyloid / H50Q / hereditary mutation / fibril / PROTEIN FIBRIL | ||||||||||||
機能・相同性 | ![]() negative regulation of mitochondrial electron transport, NADH to ubiquinone / neutral lipid metabolic process / regulation of phospholipase activity / negative regulation of monooxygenase activity / regulation of acyl-CoA biosynthetic process / negative regulation of dopamine uptake involved in synaptic transmission / negative regulation of norepinephrine uptake / positive regulation of glutathione peroxidase activity / positive regulation of SNARE complex assembly / positive regulation of hydrogen peroxide catabolic process ...negative regulation of mitochondrial electron transport, NADH to ubiquinone / neutral lipid metabolic process / regulation of phospholipase activity / negative regulation of monooxygenase activity / regulation of acyl-CoA biosynthetic process / negative regulation of dopamine uptake involved in synaptic transmission / negative regulation of norepinephrine uptake / positive regulation of glutathione peroxidase activity / positive regulation of SNARE complex assembly / positive regulation of hydrogen peroxide catabolic process / supramolecular fiber / negative regulation of transporter activity / mitochondrial membrane organization / negative regulation of chaperone-mediated autophagy / regulation of reactive oxygen species biosynthetic process / positive regulation of protein localization to cell periphery / regulation of synaptic vesicle recycling / negative regulation of platelet-derived growth factor receptor signaling pathway / negative regulation of exocytosis / regulation of glutamate secretion / response to iron(II) ion / regulation of norepinephrine uptake / SNARE complex assembly / positive regulation of neurotransmitter secretion / dopamine biosynthetic process / regulation of locomotion / positive regulation of inositol phosphate biosynthetic process / synaptic vesicle priming / regulation of macrophage activation / negative regulation of microtubule polymerization / synaptic vesicle transport / dopamine uptake involved in synaptic transmission / dynein complex binding / regulation of dopamine secretion / positive regulation of receptor recycling / protein kinase inhibitor activity / negative regulation of thrombin-activated receptor signaling pathway / response to type II interferon / cuprous ion binding / positive regulation of exocytosis / synaptic vesicle exocytosis / positive regulation of endocytosis / kinesin binding / cysteine-type endopeptidase inhibitor activity involved in apoptotic process / response to magnesium ion / synaptic vesicle endocytosis / regulation of presynapse assembly / negative regulation of serotonin uptake / alpha-tubulin binding / phospholipid metabolic process / supramolecular fiber organization / axon terminus / mitochondrial ATP synthesis coupled electron transport / inclusion body / fatty acid metabolic process / cellular response to copper ion / cellular response to epinephrine stimulus / Hsp70 protein binding / response to interleukin-1 / adult locomotory behavior / negative regulation of cysteine-type endopeptidase activity involved in apoptotic process / positive regulation of release of sequestered calcium ion into cytosol / SNARE binding / excitatory postsynaptic potential / long-term synaptic potentiation / phosphoprotein binding / protein tetramerization / regulation of transmembrane transporter activity / synapse organization / microglial cell activation / negative regulation of protein kinase activity / regulation of long-term neuronal synaptic plasticity / protein destabilization / ferrous iron binding / tau protein binding / positive regulation of protein serine/threonine kinase activity / PKR-mediated signaling / receptor internalization / phospholipid binding / activation of cysteine-type endopeptidase activity involved in apoptotic process / synaptic vesicle membrane / positive regulation of inflammatory response / positive regulation of peptidyl-serine phosphorylation / actin cytoskeleton / actin binding / cellular response to oxidative stress / histone binding / cell cortex / growth cone / chemical synaptic transmission / neuron apoptotic process / negative regulation of neuron apoptotic process / transcription cis-regulatory region binding / postsynapse / amyloid fibril formation / response to lipopolysaccharide / molecular adaptor activity / oxidoreductase activity / lysosome / response to xenobiotic stimulus 類似検索 - 分子機能 | ||||||||||||
生物種 | ![]() | ||||||||||||
手法 | らせん対称体再構成法 / クライオ電子顕微鏡法 / 解像度: 3.3 Å | ||||||||||||
![]() | Boyer DR / Li B | ||||||||||||
資金援助 | ![]()
| ||||||||||||
![]() | ![]() タイトル: Structures of fibrils formed by α-synuclein hereditary disease mutant H50Q reveal new polymorphs. 著者: David R Boyer / Binsen Li / Chuanqi Sun / Weijia Fan / Michael R Sawaya / Lin Jiang / David S Eisenberg / ![]() 要旨: Deposits of amyloid fibrils of α-synuclein are the histological hallmarks of Parkinson's disease, dementia with Lewy bodies and multiple system atrophy, with hereditary mutations in α-synuclein ...Deposits of amyloid fibrils of α-synuclein are the histological hallmarks of Parkinson's disease, dementia with Lewy bodies and multiple system atrophy, with hereditary mutations in α-synuclein linked to the first two of these conditions. Seeing the changes to the structures of amyloid fibrils bearing these mutations may help to understand these diseases. To this end, we determined the cryo-EM structures of α-synuclein fibrils containing the H50Q hereditary mutation. We find that the H50Q mutation results in two previously unobserved polymorphs of α-synuclein: narrow and wide fibrils, formed from either one or two protofilaments, respectively. These structures recapitulate conserved features of the wild-type fold but reveal new structural elements, including a previously unobserved hydrogen-bond network and surprising new protofilament arrangements. The structures of the H50Q polymorphs help to rationalize the faster aggregation kinetics, higher seeding capacity in biosensor cells and greater cytotoxicity that we observe for H50Q compared to wild-type α-synuclein. | ||||||||||||
履歴 |
|
-
構造の表示
ムービー |
![]() |
---|---|
構造ビューア | EMマップ: ![]() ![]() ![]() |
添付画像 |
-
ダウンロードとリンク
-EMDBアーカイブ
マップデータ | ![]() | 7.4 MB | ![]() | |
---|---|---|---|---|
ヘッダ (付随情報) | ![]() ![]() | 10.1 KB 10.1 KB | 表示 表示 | ![]() |
FSC (解像度算出) | ![]() | 10.3 KB | 表示 | ![]() |
画像 | ![]() | 181.1 KB | ||
Filedesc metadata | ![]() | 5 KB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 6peoMC ![]() 6pesC M: このマップから作成された原子モデル C: 同じ文献を引用 ( |
---|---|
類似構造データ | |
電子顕微鏡画像生データ | ![]() Data size: 595.3 Data #1: Unaligned K2 movies of alpha-synuclein H50Q fibrils [micrographs - multiframe]) |
-
リンク
EMDBのページ | ![]() ![]() |
---|---|
「今月の分子」の関連する項目 |
-
マップ
ファイル | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ボクセルのサイズ | X=Y=Z: 1.065 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
密度 |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
|
-添付データ
-
試料の構成要素
-全体 : Alpha-synuclein amyloid fibril with H50Q hereditary mutation - Na...
全体 | 名称: Alpha-synuclein amyloid fibril with H50Q hereditary mutation - Narrow Fibril polymorph |
---|---|
要素 |
|
-超分子 #1: Alpha-synuclein amyloid fibril with H50Q hereditary mutation - Na...
超分子 | 名称: Alpha-synuclein amyloid fibril with H50Q hereditary mutation - Narrow Fibril polymorph タイプ: organelle_or_cellular_component / ID: 1 / 親要素: 0 / 含まれる分子: all |
---|---|
由来(天然) | 生物種: ![]() |
-分子 #1: Alpha-synuclein
分子 | 名称: Alpha-synuclein / タイプ: protein_or_peptide / ID: 1 / コピー数: 5 / 光学異性体: LEVO |
---|---|
由来(天然) | 生物種: ![]() |
分子量 | 理論値: 14.466091 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MDVFMKGLSK AKEGVVAAAE KTKQGVAEAA GKTKEGVLYV GSKTKEGVVQ GVATVAEKTK EQVTNVGGAV VTGVTAVAQK TVEGAGSIA AATGFVKKDQ LGKNEEGAPQ EGILEDMPVD PDNEAYEMPS EEGYQDYEPE A UniProtKB: Alpha-synuclein |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
---|---|
![]() | らせん対称体再構成法 |
試料の集合状態 | filament |
-
試料調製
緩衝液 | pH: 7 |
---|---|
凍結 | 凍結剤: ETHANE |
-
電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
---|---|
撮影 | フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) 検出モード: COUNTING / 平均電子線量: 26.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |